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_create_carefully has possible toctou error

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#143010 In python/cpython;

· AZero13 opened on Dec 20, 2025

test_theading.ThreadTests.test_PyThreadState_SetAsyncExc is not @cpython_only

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#143001 In python/cpython;

· youknowone opened on Dec 20, 2025

Implementation name "python" is hard-coded in test_venv

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142999 In python/cpython;

· youknowone opened on Dec 20, 2025

socketmodule: FreeBSD PF_DIVERT is missing in getsockaddrlen()

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142991 In python/cpython;

· glebius opened on Dec 19, 2025

Build failure with <code>--enable-experimental-jit</code> and ASan: Memory leak in <code>allocate_executor</code> during module freezing

buildThe build process and cross-buildThe build process and cross-build

topic-JIT

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142985 In python/cpython;

· ashm-dev opened on Dec 19, 2025

<code>ISNONTERMINAL</code> and <code>ISTERMINAL</code> in <code>token.py</code> accept float arguments in CPython but raise TypeError in PyPy

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-parser

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142968 In python/cpython;

· EgodPrime opened on Dec 19, 2025

ctypes.POINTER.set_type doesn't reset format

extension-modulesC modules in the Modules dirC modules in the Modules dir

topic-ctypes

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142966 In python/cpython;

· youknowone opened on Dec 19, 2025

Commit ff4959b6b0cf6da5d2f59260a9103b31c812b0ba broke some pdb backtraces

3.14bugs and security fixesbugs and security fixes

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142964 In python/cpython;

· pablogsal opened on Dec 19, 2025

Cannot use format specifiers in argparse help

3.15new features, bugs and security fixesnew features, bugs and security fixes

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142950 In python/cpython;

· savannahostrowski opened on Dec 18, 2025

The new REPL floods the output when stdout is a broken pipe

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

3.15new features, bugs and security fixesnew features, bugs and security fixes

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-replRelated to the interactive shellRelated to the interactive shell

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142948 In python/cpython;

· johnslavik opened on Dec 18, 2025

argparse.HelpFormatter color argument removed in 3.15.0a3 without deprecation

3.15new features, bugs and security fixesnew features, bugs and security fixes

pendingThe issue will be closed if no feedback is providedThe issue will be closed if no feedback is provided

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142928 In python/cpython;

· hroncok opened on Dec 18, 2025

memory leak <code>WARNING: invalid path to external symbolizer</code>

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142917 In python/cpython;

· YuanchengJiang opened on Dec 18, 2025